Single-player games like Monster Line of Defense
Below are 11 single-player Steam games similar to Monster Line of Defense, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Monster Line of Defense page.
Ranked picks
- 1
Infinite Jump
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required. Shares Casual with Monster Line of Defense.
"Infinite jump"is a breakthrough leisure game. Players need to continuously advance through the levels by making the ball jump over obstacles. The difficulty of the game levels will increase as the number of levels progresses.
- 2
The True Love Rings
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required. Shares Casual with Monster Line of Defense.
"The True Love Rings" is a scene interactive decryption game. The overall atmosphere is casual and relaxed. Players follow the prompts in the scene to gradually solve the puzzles and help solve the problems encountered in life.
- 3
Life in The Janitor's Room with A JK Girl
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required. Shares Casual with Monster Line of Defense.
I returned to the janitor's room and found that a JK had suddenly barged in... As I got used to her presence, our relationship grew closer.
- 4
Desktop Girlfriend
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required. Shares Casual with Monster Line of Defense.
Desktop Girlfriend is a desktop interactive girlfriend game that allows users to interact with their virtual girlfriend in various ways, such as interactive games, customizing her hairstyle, hair color, and more.
- 5
Rolling in the Maze
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required. Shares Casual with Monster Line of Defense.
In "Rolling in the Maze", players operate a small ball to challenge the maze. In order to reach the end, players need to crack according to the different level mechanisms of each level.
- 6
Doomsday Robot Girl
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required.
The world was destroyed and doomsday was here. I collapsed in the wasteland, short of food and water. Just as thought I was going to die, a young girl rescued me. Her name was Emma and she told me who she was – a military robot girl. Emma said she could satisfy my sexual needs, as long as she could come with me. Why me?
- 7
Four Color Jump
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required. Shares Casual with Monster Line of Defense.
Four color jumps is a leisure jumping game. The ball rises, crosses or touches the springboard, and constantly jumps up. Let's see where the limit of the ball is!
- 8
Fantasy Amusement Park
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required. Shares Casual with Monster Line of Defense.
Gameplay introduction This is a casual elimination + Visual Novel game, players need to fight against different bosses, and seal different levels in the amusement park location, escape from the amusement park
- 9
Doll Grabber
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required. Shares Casual with Monster Line of Defense.
"Doll Grabber" is a casual puzzle game that simulates a claw machine. Players need to grab a specified number of dolls in each level. Come and challenge yourself!
- 10
Alien Maze
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required. Shares Casual with Monster Line of Defense.
"Alien Maze" is a puzzle game to explore the maze. Players need to reach the exit in a limited time.
- 11
Drop Doll
Single-player alternative to Monster Line of Defense — playable solo, no multiplayer required. Shares Casual with Monster Line of Defense.
"Drop Doll" is a casual puzzle game. In this game, players earn points by combining balls of the same type.